<template>
    <div class="login-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

            <div class="title-container">
                <h3 class="title">
                    {{ $t('login.title') }}
                </h3>
                <lang-select class="set-language" />
            </div>

            <el-form-item prop="username">
                <span class="svg-container">
                    <svg-icon icon-class="user" />
                </span>
                <el-input ref="username" v-model="loginForm.username" :placeholder="$t('login.username')" name="username" type="text" tabindex="1" autocomplete="on" />
            </el-form-item>

            <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
                <el-form-item prop="password">
                    <span class="svg-container">
                        <svg-icon icon-class="password" />
                    </span>
                    <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType" :placeholder="$t('login.password')" name="password" tabindex="2" autocomplete="on"
                        @keyup.native="checkCapslock" @blur="capsTooltip = false" @keyup.enter.native="handleLogin" />
                    <span class="show-pwd" @click="showPwd">
                        <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
                    </span>
                </el-form-item>
            </el-tooltip>

            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">
                {{ $t('login.logIn') }}
            </el-button>

        </el-form>

        <el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog">
            {{ $t('login.thirdpartyTips') }}
            <br>
            <br>
            <br>
            <social-sign />
        </el-dialog>
        <div style="position: fixed; bottom: 20px; width: 100%;text-align: center;padding: 20px 0px;color: grey">
            Powered by <b><a href="https://www.lokei.cn">奇辰科技</a></b>

            <div v-if="icp_info.icp" style="text-align: center;color: grey; padding-top: 10px">
                版权所有©2020-2023<a href="https://beian.miit.gov.cn/" target="_blank">{{ icp_info.icp ? icp_info.icp : ''}}</a>
            </div>
            <div v-if="icp_info.police_icp" style="text-align: center;">
                <a target="_blank" href="http://www.beian.gov.cn" style="display:inline-block;text-decoration:none;height:20px;line-height:20px;"><img src=""
                        style="float:left;" />
                    <p style="float:left;height:20px;line-height:20px;margin: 0px 0px 0px 5px; color:#939393;">{{ icp_info.police_icp ? icp_info.police_icp : ''}}</p>
                </a>
            </div>
        </div>
    </div>
</template>

<script>
import { fetch as fetchIcp } from '@/platform/api/conf/icp'
import { validUsername } from '@/utils/validate'
import LangSelect from '@/components/LangSelect'
import SocialSign from './components/SocialSignin'

export default {
    name: 'Login',
    components: { LangSelect, SocialSign },
    data() {
        const validateUsername = (rule, value, callback) => {
            if (!validUsername(value)) {
                callback(new Error('Please enter the correct user name'))
            } else {
                callback()
            }
        }
        const validatePassword = (rule, value, callback) => {
            if (value.length < 6) {
                callback(new Error('The password can not be less than 6 digits'))
            } else {
                callback()
            }
        }
        return {
            loginForm: {
                username: 'admin',
                password: '111111'
            },
            loginRules: {
                username: [{ required: true, trigger: 'blur', validator: validateUsername }],
                password: [{ required: true, trigger: 'blur', validator: validatePassword }]
            },
            passwordType: 'password',
            capsTooltip: false,
            loading: false,
            showDialog: false,
            redirect: undefined,
            otherQuery: {},
            icp_info: {}
        }
    },
    watch: {
        $route: {
            handler: function (route) {
                const query = route.query
                if (query) {
                    this.redirect = query.redirect
                    this.otherQuery = this.getOtherQuery(query)
                }
            },
            immediate: true
        }
    },
    created() {
        // window.addEventListener('storage', this.afterQRScan)
        fetchIcp().then(res => {
            this.icp_info = res.data
        })
    },
    mounted() {
        if (this.loginForm.username === '') {
            this.$refs.username.focus()
        } else if (this.loginForm.password === '') {
            this.$refs.password.focus()
        }
    },
    destroyed() {
        // window.removeEventListener('storage', this.afterQRScan)
    },
    methods: {
        checkCapslock(e) {
            const { key } = e
            this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
        },
        showPwd() {
            if (this.passwordType === 'password') {
                this.passwordType = ''
            } else {
                this.passwordType = 'password'
            }
            this.$nextTick(() => {
                this.$refs.password.focus()
            })
        },
        handleLogin() {
            this.$refs.loginForm.validate(valid => {
                if (valid) {
                    this.loading = true
                    this.$store.dispatch('user/login', this.loginForm)
                        .then(() => {
                            this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
                            this.loading = false
                        })
                        .catch(() => {
                            this.loading = false
                        })
                } else {
                    console.log('error submit!!')
                    return false
                }
            })
        },
        getOtherQuery(query) {
            return Object.keys(query).reduce((acc, cur) => {
                if (cur !== 'redirect') {
                    acc[cur] = query[cur]
                }
                return acc
            }, {})
        }
        // afterQRScan() {
        //   if (e.key === 'x-admin-oauth-code') {
        //     const code = getQueryObject(e.newValue)
        //     const codeMap = {
        //       wechat: 'code',
        //       tencent: 'code'
        //     }
        //     const type = codeMap[this.auth_type]
        //     const codeName = code[type]
        //     if (codeName) {
        //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
        //         this.$router.push({ path: this.redirect || '/' })
        //       })
        //     } else {
        //       alert('第三方登录失败')
        //     }
        //   }
        // }
    }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
        color: $cursor;
    }
}

/* reset element-ui css */
.login-container {
    .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
            background: transparent;
            border: 0px;
            -webkit-appearance: none;
            border-radius: 0px;
            padding: 12px 5px 12px 15px;
            color: $light_gray;
            height: 47px;
            caret-color: $cursor;

            &:-webkit-autofill {
                box-shadow: 0 0 0px 1000px $bg inset !important;
                -webkit-text-fill-color: $cursor !important;
            }
        }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(0, 0, 0, 0.1);
        border-radius: 5px;
        color: #454545;
    }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
        position: relative;
        width: 520px;
        max-width: 100%;
        padding: 160px 35px 0;
        margin: 0 auto;
        overflow: hidden;
    }

    .tips {
        font-size: 14px;
        color: #fff;
        margin-bottom: 10px;

        span {
            &:first-of-type {
                margin-right: 16px;
            }
        }
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: $dark_gray;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;

        .title {
            font-size: 26px;
            color: $light_gray;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }

        .set-language {
            color: #fff;
            position: absolute;
            top: 3px;
            font-size: 18px;
            right: 0px;
            cursor: pointer;
        }
    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: $dark_gray;
        cursor: pointer;
        user-select: none;
    }

    .thirdparty-button {
        position: absolute;
        right: 0;
        bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
        .thirdparty-button {
            display: none;
        }
    }
}
</style>
